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MQSeries.net Forum IndexUser ExitsChanging message in message broker user exit

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pftylr
PostPosted: Wed Sep 21, 2011 7:38 am Post subject: Changing message in message broker user exit Reply with quote

Newbie

Joined: 21 Sep 2011
Posts: 1

I have an application that needs to attach a tracking identifier to messages passed between different endpoints. Since these messages may now go through the message broker I was considering using user exits to both extract the identifier and to attach new identifies for output messages.

My question is whether it is possible to modify the message in a user exit (for example in a propagated message callback or output message callback) by adding or modifying a property? For example for a MQ message this would mean adding a property to the MQRFH2/usr header.

The solution I'm looking for would have to work with existing deployed message flows so modifying the existing flows with new nodes would not be practical.
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